new invoice entity for dataConnect

dataconnect/connector/invoice/mutations.gql

@@ -0,0 +1,51 @@
+mutation CreateInvoice(
+  $invoiceNumber: String!,
+  $amount: Float!,
+  $status: InvoiceStatus!,
+  $issueDate: Timestamp!,
+  $dueDate: Timestamp!,
+  $disputedItems: String,
+  $isAutoGenerated: Boolean
+) @auth(level: USER) {
+  invoice_insert(
+    data: {
+      invoiceNumber: $invoiceNumber
+      amount: $amount
+      status: $status
+      issueDate: $issueDate
+      dueDate: $dueDate
+      disputedItems: $disputedItems
+      isAutoGenerated: $isAutoGenerated
+    }
+  )
+}
+
+mutation UpdateInvoice(
+  $id: UUID!,
+  $invoiceNumber: String,
+  $amount: Float,
+  $status: InvoiceStatus,
+  $issueDate: Timestamp,
+  $dueDate: Timestamp,
+  $disputedItems: String,
+  $isAutoGenerated: Boolean
+) @auth(level: USER) {
+  invoice_update(
+    id: $id,
+    data: {
+      invoiceNumber: $invoiceNumber
+      amount: $amount
+      status: $status
+      issueDate: $issueDate
+      dueDate: $dueDate
+      disputedItems: $disputedItems
+      isAutoGenerated: $isAutoGenerated
+    }
+  )
+}
+
+mutation DeleteInvoice(
+  $id: UUID!
+) @auth(level: USER) {
+  invoice_delete(id: $id)
+}